1. A health insurance provider undertakes enhancements to its mobile application platform and finalizes the following capabilities as part of the scope of the next release:

L Ability to integrate online maps and global positioning system (GPS) technology with the mobile application in real time to display location of service providers in the subscriber's that participate in the subscriber's plan network.

Ability for the subscriber to lookup the service providers by specifying either a postal code on a search area radius in miles.

III. Ability for the subscriber to initial the download of fee information for one more service providers in a single request.

Through requirements workshops the business analyst elicits the following detailed business requirements:

1. The company's mobile application platform must support real time integration with the following third party systems:

1. GPS System

2. Postal Code Validation

2. The service providers available for selection must participate in the subscriber's medical plan network as of the current system date.

3. The map display shall highlight the boundary of the search area with a dotted yellow line.

4. The extent and shape of he searches area shall be determined based on one of the following user choices:

A postal code-Subscriber location acquired from GPS shall be used to determine and populate........................

Which of the following is the appropriate technique to define communication flows between the Postal Code validation system with other systems?